PLATE X. 



Fig. 24. Xanthocalanus similis n. sp. Female, last thoracic segment lateral, 

 X 40. 



Fig. 25. Gaetanus unicornis n. sp. Female, last thoracic segment and abdo- 

 men lateral, X 40. 



Fig. 26. Euchaeta californica n. sp. Female, genital segment ventral, X 40. 



Fig. 27. Euchirella curticauda Giesbrecht. Female, abdomen and part of 

 last thoracic segment lateral, X 70. 



Fig. 28. Chirundina streetsi Giesbrecht. Female, abdomen and last thoracic 

 segment ventral, X 40. 



Fig. 29. Euchaeta tenuis n. sp. Female, genital and last thoracic segments, 

 lateral, X 40. 



Fig. 30. Euchaeta propinqua n. sp. Female, genital segment ventral, X 40. 



Fig. 31. Euchaeta tenuis n. sp. Female, genital segment ventral, X 40. 



Fig. 32. Euchaeta tonsa Giesbrecht. Female, genital and last thoracic seg- 

 ments lateral, X 40. 



Fig. 33. Euchaeta propinqua n. sp. Female, genital and last thoracic seg- 

 ments lateral, X 40. 



Fig. 34. Euchaeta californica n. sp. Female, genital and last thoracic seg- 

 ments lateral, X 40. 



[84] 



